14"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 27.75"h] 12" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are approximately 10 5/8" width X 10 5/8" height

+ Product Details Size – 28"w X 36"h is the size for the duct opening measurement only

+ Product Description Check out one of our most attractive and stylish grills

+ Product Details Size - 14"w X 22"h X 2"d (for duct opening measurement only)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 12" or 12" x 6" duct opening (measured at the opening)

14"w X 26"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 15.75"w x 27.75"h] 12" Round Duct Pipe actual front end outer dimensions+ Product Details Size 14"w X 26"h X 2"d (for duct opening measurement only); actual front end outer dimensions are 15. 75" Width X 27. 75" Height Weather and Pest Proof These louvers are especially designed to prevent water from entering your home, and with a built in back 1 2" mesh they also protect you from annoying rodents like mice, rats, birds, and squirrels High Quality Aluminum The premium durable aluminum will never rust and it will never